// 类型检测
export const isTypeOf = (data) => {
  return Object.prototype.toString
    .call(data)
    .replace(/\[object (\w+)\]/, "$1")
    .toLowerCase();
};

// 文件下载
export const downloadFile = ({ data, headers }, fileName) => {
  const name = fileName || headers["content-disposition"].split("filename=")[1];
  // 支持IE浏览器
  if (window?.navigator?.msSaveOrOpenBlob) {
    window.navigator.msSaveOrOpenBlob(data, name);
    return;
  }
  const url = window.URL.createObjectURL(data);
  const link = document.createElement("a");
  link.style.display = "none";
  link.href = url;
  link.setAttribute("download", name);
  document.body.appendChild(link);
  link.click();
  document.body.removeChild(link);
};

// 日期转换
export const parseTime = (time, cFormat) => {
  if (arguments.length === 0) {
    return null;
  }

  // 根据自己实际需求转换
  const format = cFormat || "{y}-{m}-{d} {h}:{i}:{s}";
  let date;
  if (typeof time === "undefined" || time === null || time === "null") {
    return "";
  } else if (typeof time === "object") {
    date = time;
  } else {
    if (typeof time === "string" && /^[0-9]+$/.test(time)) {
      time = parseInt(time);
    }
    if (typeof time === "number" && time.toString().length === 10) {
      time = time * 1000;
    }
    date = new Date(time);
  }
  const formatObj = {
    y: date.getFullYear(),
    m: date.getMonth() + 1,
    d: date.getDate(),
    h: date.getHours(),
    i: date.getMinutes(),
    s: date.getSeconds(),
    a: date.getDay(),
  };
  const time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
    let value = formatObj[key];
    // Note: getDay() returns 0 on Sunday
    if (key === "a") {
      return ["日", "一", "二", "三", "四", "五", "六"][value];
    }
    if (result.length > 0 && value < 10) {
      value = "0" + value;
    }
    return value || 0;
  });
  return time_str;
};
